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Our Vapor Barrier Liner (VBL) sock is designed for extreme cold conditions where condensation build up within boots is a huge risk. The VBL provides an added layer of protection from the cold by trapping the good moisture next to the skin, allowing your body to use its sweat to regulate warmth, and reducing loss of humidity by your insulating layers absorbing that moisture your body produces. Additionally the VBL inhibits outside water from working its way towards your foot to soak the next to skin layers that are so important. Our VBL is most effective if worn between a thin wool liner sock next to the skin and a heavier wool outer sock as part of a 3-layer system that creates this specific ecosystem with your boots.
Sturdy and durable laminated ripstop liner sock provides a non-breathable barrier between foot and footwear to keep the boot liner and insulation dry in extreme cold conditions.
Moisture is retained inside the VBL, keeping the foot
noticeably drier & warmer during cold weather expeditions.
Ultrasonically welded seams are smooth and puncture-free, preventing vapor transportation through seams. Strategic placement of seams add comfort.
Stretch nylon cuff keeps VBL in place during use
and prevents slippage.
Most effective if worn between a thin wool liner sock
next to the skin and a heavier wool outer sock as part
of a 3-layer system.
Fold-over toe box design allows for free movement of
toes inside footwear.
Reduces blisters and discomfort. Keeps footwear dry.
Wash inside out. Air dry.
Made in USA
Materials:
100% coated ripstop nylon foot and leg
80% polyester/20% spandex cuff
Weight: 2.72 oz per pair
SKU: 1000-110-05
OTC socks will cover most or all of your calf and are great for activities where you are wearing a boot or are seeking additional warmth on your legs.
Merino wool naturally keeps you comfortable in all conditions.
Made in the USA from responsibly sources imported yarns
It’s Simple. Our socks are unconditionally guaranteed for life.
International Delivery Options Available
Sold Out $129.95
All Our Products Are Guaranteed For Life
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